github.com/vmware/govmomi@v0.43.0/govc/host/portgroup/info.go (about) 1 /* 2 Copyright (c) 2016-2023 VMware, Inc. All Rights Reserved. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package portgroup 18 19 import ( 20 "context" 21 "flag" 22 "fmt" 23 "io" 24 "text/tabwriter" 25 26 "github.com/vmware/govmomi/govc/cli" 27 "github.com/vmware/govmomi/govc/flags" 28 "github.com/vmware/govmomi/govc/host/vswitch" 29 "github.com/vmware/govmomi/property" 30 "github.com/vmware/govmomi/vim25/mo" 31 "github.com/vmware/govmomi/vim25/types" 32 ) 33 34 type info struct { 35 *flags.ClientFlag 36 *flags.OutputFlag 37 *flags.HostSystemFlag 38 } 39 40 func init() { 41 cli.Register("host.portgroup.info", &info{}) 42 } 43 44 func (cmd *info) Register(ctx context.Context, f *flag.FlagSet) { 45 cmd.ClientFlag, ctx = flags.NewClientFlag(ctx) 46 cmd.ClientFlag.Register(ctx, f) 47 cmd.OutputFlag, ctx = flags.NewOutputFlag(ctx) 48 cmd.OutputFlag.Register(ctx, f) 49 cmd.HostSystemFlag, ctx = flags.NewHostSystemFlag(ctx) 50 cmd.HostSystemFlag.Register(ctx, f) 51 } 52 53 func (cmd *info) Process(ctx context.Context) error { 54 if err := cmd.ClientFlag.Process(ctx); err != nil { 55 return err 56 } 57 if err := cmd.OutputFlag.Process(ctx); err != nil { 58 return err 59 } 60 if err := cmd.HostSystemFlag.Process(ctx); err != nil { 61 return err 62 } 63 return nil 64 } 65 66 func networkInfoPortgroup(ctx context.Context, c *flags.ClientFlag, h *flags.HostSystemFlag) ([]types.HostPortGroup, error) { 67 client, err := c.Client() 68 if err != nil { 69 return nil, err 70 } 71 72 ns, err := h.HostNetworkSystem() 73 if err != nil { 74 return nil, err 75 } 76 77 var mns mo.HostNetworkSystem 78 79 pc := property.DefaultCollector(client) 80 err = pc.RetrieveOne(ctx, ns.Reference(), []string{"networkInfo.portgroup"}, &mns) 81 if err != nil { 82 return nil, err 83 } 84 85 return mns.NetworkInfo.Portgroup, nil 86 } 87 88 func (cmd *info) Run(ctx context.Context, f *flag.FlagSet) error { 89 pg, err := networkInfoPortgroup(ctx, cmd.ClientFlag, cmd.HostSystemFlag) 90 if err != nil { 91 return err 92 } 93 94 r := &infoResult{pg} 95 96 return cmd.WriteResult(r) 97 } 98 99 type infoResult struct { 100 Portgroup []types.HostPortGroup `json:"portgroup"` 101 } 102 103 func (r *infoResult) Write(w io.Writer) error { 104 tw := tabwriter.NewWriter(w, 2, 0, 2, ' ', 0) 105 106 for i, s := range r.Portgroup { 107 if i > 0 { 108 fmt.Fprintln(tw) 109 } 110 fmt.Fprintf(tw, "Name:\t%s\n", s.Spec.Name) 111 fmt.Fprintf(tw, "Virtual switch:\t%s\n", s.Spec.VswitchName) 112 fmt.Fprintf(tw, "VLAN ID:\t%d\n", s.Spec.VlanId) 113 fmt.Fprintf(tw, "Active ports:\t%d\n", len(s.Port)) 114 vswitch.HostNetworkPolicy(tw, &s.ComputedPolicy) 115 } 116 117 return tw.Flush() 118 }